<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		    <!--为属性定义样式-->
			[v-cloak]{
				display: none;
			}
			
			
		</style>
		
		
		
	</head>
	
	<body>
		<div id="app"  v-cloak>
			{{hello}}
		</div>
		
		<script  src="../js/vue.js"></script>
		<script>
			const  app=new  Vue({
				el: "#app",
				data: {
					hello :"hello 后台修改数据"
				}
			})
			
			
		</script>
		
	</body>
</html>
